/* ============================================
   ЛаТехМет — Лазерная резка, гибка и сварка
   https://latehmet.ru
   ============================================ */

:root {
    --primary: #FF6B00;
    --primary-dark: #E55A00;
    --secondary: #1A1A2E;
    --dark: #0F0F1A;
    --light: #F5F5F7;
    --gray: #8A8A9A;
    --white: #FFFFFF;
    --accent: #00D4AA;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }

::selection { background: rgba(255, 107, 0, 0.3); color: var(--white); }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0; width: 100%; z-index: 1000;
    background: rgba(15, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: flex; justify-content: space-between; align-items: center; height: 80px;
}

.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }

.logo-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 20px; color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
    transition: var(--transition);
}

.logo:hover .logo-icon { transform: scale(1.05); }

.logo-text { display: flex; flex-direction: column; }
.logo-title { font-size: 1.4rem; font-weight: 800; color: var(--white); letter-spacing: -0.5px; line-height: 1.2; }
.logo-subtitle { font-size: 0.75rem; color: var(--gray); font-weight: 500; }

.nav-links { display: flex; gap: 2.5rem; list-style: none; align-items: center; }
.nav-links a {
    color: var(--gray); text-decoration: none; font-size: 0.9rem; font-weight: 500;
    transition: var(--transition); position: relative;
}
.nav-links a:hover { color: var(--white); }
.nav-links a::after {
    content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px;
    background: var(--primary); transition: var(--transition);
}
.nav-links a:hover::after { width: 100%; }

.nav-phone { display: flex; flex-direction: column; align-items: flex-end; }
.nav-phone a { color: var(--white); text-decoration: none; font-size: 1.1rem; font-weight: 700; transition: var(--transition); }
.nav-phone a:hover { color: var(--primary); }
.nav-phone span { font-size: 0.75rem; color: var(--gray); }

.mobile-menu-btn { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    position: relative; overflow: hidden; padding-top: 80px;
}

.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 107, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
        linear-gradient(180deg, var(--dark) 0%, var(--secondary) 100%);
}

.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 70%);
}

.hero-particles { position: absolute; inset: 0; overflow: hidden; }

.particle {
    position: absolute; width: 4px; height: 4px;
    background: var(--primary); border-radius: 50%; opacity: 0.6;
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 0.6; } 90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

.hero-container {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
    align-items: center; position: relative; z-index: 2;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255, 107, 0, 0.15); border: 1px solid rgba(255, 107, 0, 0.3);
    padding: 8px 16px; border-radius: 100px; font-size: 0.85rem; font-weight: 500;
    color: var(--primary); margin-bottom: 2rem; animation: fadeInUp 0.6s ease;
}
.hero-badge::before { content: ''; width: 8px; height: 8px; background: var(--primary); border-radius: 50%; animation: pulse 2s infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 800; line-height: 1.1;
    letter-spacing: -2px; margin-bottom: 1.5rem; animation: fadeInUp 0.6s ease 0.1s both;
}
.hero h1 span {
    background: linear-gradient(135deg, var(--primary), #FFB347);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-desc { font-size: 1.15rem; color: var(--gray); max-width: 540px; margin-bottom: 2.5rem; animation: fadeInUp 0.6s ease 0.2s both; }
.hero-buttons { display: flex; gap: 1rem; animation: fadeInUp 0.6s ease 0.3s both; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; border-radius: 12px; font-size: 0.95rem;
    font-weight: 600; text-decoration: none; transition: var(--transition);
    cursor: pointer; border: none; font-family: inherit;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white; box-shadow: 0 4px 20px rgba(255, 107, 0, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255, 107, 0, 0.4); }

.btn-secondary {
    background: rgba(255, 255, 255, 0.05); color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1); backdrop-filter: blur(10px);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.2); }

.hero-stats { display: flex; gap: 3rem; margin-top: 4rem; animation: fadeInUp 0.6s ease 0.4s both; }
.stat-item { display: flex; flex-direction: column; }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-label { font-size: 0.85rem; color: var(--gray); margin-top: 4px; }

/* Hero Visual */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-image-wrapper { position: relative; width: 100%; max-width: 560px; }
.hero-image {
    width: 100%; height: 420px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(0, 212, 170, 0.1));
    border-radius: 24px; border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden; animation: fadeInUp 0.6s ease 0.3s both;
}
.hero-image::before {
    content: ''; position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.laser-beam {
    position: absolute; width: 2px; height: 200px;
    background: linear-gradient(180deg, transparent, var(--primary), transparent);
    animation: laserMove 3s ease-in-out infinite; filter: blur(1px); box-shadow: 0 0 20px var(--primary);
}
@keyframes laserMove {
    0%, 100% { transform: translateX(-100px) rotate(15deg); opacity: 0; }
    50% { transform: translateX(100px) rotate(15deg); opacity: 1; }
}

.metal-sheet {
    width: 280px; height: 180px;
    background: linear-gradient(135deg, #2a2a3a, #1a1a2e);
    border-radius: 8px; border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
.metal-sheet::after {
    content: ''; position: absolute; top: 50%; left: 20%; right: 20%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    box-shadow: 0 0 10px var(--primary); animation: cutLine 2s ease-in-out infinite;
}
@keyframes cutLine { 0% { width: 0; left: 20%; } 50% { width: 60%; left: 20%; } 100% { width: 0; left: 80%; } }

.floating-card {
    position: absolute; background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px; padding: 1rem 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); animation: floatCard 6s ease-in-out infinite;
}
.floating-card.card-1 { top: -20px; right: -20px; animation-delay: 0s; }
.floating-card.card-2 { bottom: 20px; left: -30px; animation-delay: 2s; }
@keyframes floatCard { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
.floating-card .label { font-size: 0.75rem; color: var(--gray); margin-bottom: 4px; }
.floating-card .value { font-size: 1.2rem; font-weight: 700; color: var(--accent); }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 6rem 0; position: relative; }

.section-header { text-align: center; max-width: 700px; margin: 0 auto 4rem; }
.section-label {
    display: inline-block; background: rgba(255, 107, 0, 0.1); color: var(--primary);
    padding: 6px 16px; border-radius: 100px; font-size: 0.85rem; font-weight: 600;
    margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 1px;
}
.section-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; margin-bottom: 1rem; line-height: 1.2; }
.section-desc { color: var(--gray); font-size: 1.1rem; }

/* ============================================
   SERVICES
   ============================================ */
.services-grid {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem;
}

.service-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 24px; padding: 2.5rem;
    transition: var(--transition); position: relative; overflow: hidden; cursor: pointer;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0); transition: var(--transition); transform-origin: left;
}
.service-card:hover { transform: translateY(-8px); border-color: rgba(255, 255, 255, 0.1); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(255, 107, 0, 0.05));
    border-radius: 16px; display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; margin-bottom: 1.5rem; transition: var(--transition);
}
.service-card:hover .service-icon { transform: scale(1.1) rotate(5deg); background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }

.service-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.75rem; }
.service-card p { color: var(--gray); font-size: 0.95rem; line-height: 1.7; }
.service-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.tag { background: rgba(255, 255, 255, 0.05); padding: 4px 12px; border-radius: 100px; font-size: 0.8rem; color: var(--gray); border: 1px solid rgba(255, 255, 255, 0.05); }

/* ============================================
   EQUIPMENT (без картинок)
   ============================================ */
.equipment-section { background: linear-gradient(180deg, var(--secondary), var(--dark)); }
.equipment-grid {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem;
}
.equipment-card {
    display: flex; flex-direction: column; gap: 1rem;
    background: rgba(255, 255, 255, 0.02); border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px; padding: 2rem; transition: var(--transition);
}
.equipment-card:hover { background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.1); }
.equipment-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); opacity: 0.3; line-height: 1; }
.equipment-info h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; }
.equipment-info p { color: var(--gray); font-size: 0.9rem; line-height: 1.6; }
.specs { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1rem; }
.spec { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--gray); }
.spec strong { color: var(--white); }

/* ============================================
   CALCULATOR
   ============================================ */
.calc-section { background: var(--secondary); position: relative; overflow: hidden; }
.calc-section::before {
    content: ''; position: absolute; top: -50%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.1), transparent 70%);
    pointer-events: none;
}
.calc-container { max-width: 900px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 2; }
.calculator {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 24px; padding: 3rem;
    backdrop-filter: blur(10px);
}
.calc-form {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-bottom: 2rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.9rem; font-weight: 500; color: var(--gray); }
.form-group input, .form-group select {
    background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px; padding: 12px 16px; color: var(--white);
    font-family: inherit; font-size: 1rem; transition: var(--transition);
}
.form-group input:focus, .form-group select:focus {
    outline: none; border-color: var(--primary); background: rgba(255, 255, 255, 0.08);
}
.form-group input::placeholder { color: var(--gray); }
.form-group option { background: var(--secondary); color: var(--white); }

.calc-result {
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 107, 0, 0.05));
    border: 1px solid rgba(255, 107, 0, 0.2); border-radius: 16px; padding: 2rem;
    text-align: center; display: none;
}
.calc-result.active { display: block; animation: fadeInUp 0.4s ease; }
.calc-result .price { font-size: 3rem; font-weight: 800; color: var(--primary); line-height: 1; }
.calc-result .price-note { color: var(--gray); font-size: 0.9rem; margin-top: 0.5rem; }

.calc-disclaimer {
    margin-top: 1.5rem; padding: 1rem;
    background: rgba(255,255,255,0.03); border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.05);
}
.calc-disclaimer p {
    font-size: 0.85rem; color: var(--gray); text-align: center; margin: 0;
}
.calc-disclaimer strong { color: var(--primary); }

/* ============================================
   PRODUCTS (текстовые карточки, компактные)
   ============================================ */
.products-grid {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem;
}
.product-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 16px;
    padding: 1.5rem; transition: var(--transition); cursor: pointer;
}
.product-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(-4px);
}
.product-info-static h4 {
    font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--white);
}
.product-info-static p {
    font-size: 0.9rem; color: var(--gray); line-height: 1.5;
}

/* ============================================
   ADVANTAGES
   ============================================ */
.advantages {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
}
.advantage-item { text-align: center; padding: 2rem; }
.advantage-icon {
    width: 80px; height: 80px; margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.15), rgba(0, 212, 170, 0.1));
    border-radius: 24px; display: flex; align-items: center; justify-content: center;
    font-size: 2rem; border: 1px solid rgba(255, 255, 255, 0.05);
}
.advantage-item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.advantage-item p { font-size: 0.9rem; color: var(--gray); }

/* ============================================
   CONTACTS
   ============================================ */
.contact-section { background: linear-gradient(180deg, var(--dark), var(--secondary)); }
.contact-grid {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start;
}
.contact-info h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 2rem; }
.contact-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: flex-start; }
.contact-icon {
    width: 48px; height: 48px; background: rgba(255, 107, 0, 0.1);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; flex-shrink: 0;
}
.contact-item div strong { display: block; margin-bottom: 4px; font-weight: 600; }
.contact-item div span, .contact-item div a { color: var(--gray); text-decoration: none; font-size: 0.95rem; transition: var(--transition); }
.contact-item div a:hover { color: var(--primary); }

.contact-form-wrapper {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 24px; padding: 2.5rem;
}
.contact-form-wrapper h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.5rem; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.contact-form input, .contact-form textarea {
    background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px; padding: 14px 16px; color: var(--white);
    font-family: inherit; font-size: 1rem; transition: var(--transition); resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); }
.contact-form textarea { min-height: 120px; }

/* ============================================
   404 PAGE
   ============================================ */
.error-section {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 2rem; position: relative; overflow: hidden;
}
.error-section .hero-bg { position: absolute; inset: 0; }
.error-code {
    font-size: clamp(6rem, 15vw, 12rem); font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    line-height: 1; margin-bottom: 1rem; animation: fadeInUp 0.6s ease;
}
.error-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; color: var(--white); }
.error-desc { color: var(--gray); margin-bottom: 2rem; max-width: 400px; margin-left: auto; margin-right: auto; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--dark); border-top: 1px solid rgba(255, 255, 255, 0.05); padding: 3rem 0 2rem; }
.footer-container {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem;
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { color: var(--gray); font-size: 0.9rem; line-height: 1.7; max-width: 300px; }
.footer-links h4 { font-size: 1rem; font-weight: 700; margin-bottom: 1.5rem; color: var(--white); }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.75rem; }
.footer-links a { color: var(--gray); text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }

.footer-bottom {
    max-width: 1400px; margin: 2rem auto 0; padding: 2rem 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex; justify-content: space-between; align-items: center;
    color: var(--gray); font-size: 0.85rem;
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu {
    display: none; position: fixed; top: 0; right: -100%;
    width: 80%; max-width: 400px; height: 100vh;
    background: var(--secondary); z-index: 1001; padding: 2rem;
    transition: right 0.3s ease; overflow-y: auto;
}
.mobile-menu.active { right: 0; display: block; }
.mobile-menu-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.5); z-index: 1000; opacity: 0; transition: opacity 0.3s;
}
.mobile-menu-overlay.active { display: block; opacity: 1; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }
.mobile-menu-close { background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }
.mobile-menu-links { list-style: none; }
.mobile-menu-links li { margin-bottom: 1.5rem; }
.mobile-menu-links a { color: var(--white); text-decoration: none; font-size: 1.2rem; font-weight: 600; }
.mobile-menu-contact { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.mobile-menu-contact a { color: var(--primary); text-decoration: none; font-size: 1.3rem; font-weight: 700; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { order: -1; margin-bottom: 2rem; }
    .contact-grid { grid-template-columns: 1fr; }
    .advantages { grid-template-columns: repeat(2, 1fr); }
    .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links, .nav-phone { display: none; }
    .mobile-menu-btn { display: block; }
    .hero h1 { font-size: 2.5rem; }
    .hero-stats { flex-direction: column; gap: 1.5rem; align-items: center; }
    .advantages { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    .calculator { padding: 1.5rem; }
    .calc-form { grid-template-columns: 1fr; }
    .equipment-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Skip link for accessibility */
.skip-link {
    position: absolute; top: -40px; left: 0;
    background: var(--primary); color: white; padding: 8px 16px;
    z-index: 10000; transition: top 0.3s; text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: 0; }